1.
0,15*0,8=0,120
23.04*23.1=532.224
0,28*0,35=0,0980
0.04*0.017=0.0068
0.43*0.222=0.01546
2.
100-(8.39-5.468+6.81)=100-(2.922+6.81)=100-9.73=90.27
3.
а
24.4
67.2
56.4
б
567.17
9.52
0.80
в
875
944
770
4
ВС 8.4+3.7=12.1
СА 8.4-2.6=5.8
Р 8.4+12.1+5.8=26.3